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what if apophis hits earth in 2029

by Jovany Donnelly Published 3 years ago Updated 2 years ago
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What If Apophis Hits Us In 2029? The first observations show it has a 2.7% of chance of hitting us in 2029. If an asteroid this big hit the Earth, it would cause major devastation over the area it impacted.

What would happen if Apophis hit Earth? Apophis would cause widespread destruction up to several hundred of kilometers from its impact site. The energy released would be equal more than 1,000 megatons of TNT, or tens to hundreds of nuclear weapons.

Full Answer

What asteroid will hit Earth in 2029?

On Friday, April 13, 2029, Earth will experience a dramatic close encounter with the asteroid 99942 Apophis. The 1,120 feet (340-meter) wide object will pass within just 19,000 miles (31,000 km) of our home planet — a distance that brings it closer than most geostationary satellites. 1 Will Apophis hit Earth in 2029?

Is an asteriod going to hit Earth in 2029?

Asteroid 99942 Apophis could hit earth in 2029, but its more likely that a near miss will happen. Scientists estimate that there is a 1 in 40 that this large asteroid will impact earth.

What damage could Apophis cause?

“There may earthquakes and volcanic eruptions could be expected from any asteroid impacts including God of Chaos Apophis. “If you have an impact like that on the planet, severe earthquakes and volcanic eruptions happening in countries with nuclear power plants become vulnerable.

What would happen if Apophis hit the Earth?

What would happen if Apophis hit Earth? Apophis would cause widespread destruction up to several hundred of kilometers from its impact site. The energy released would be equal more than 1,000 megatons of TNT, or tens to hundreds of nuclear weapons. What is Apophis asteroid?

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Can we survive Apophis?

Fortunately, astronomers have calculated that Apophis is unlikely to impact the Earth.

Will Apophis be visible to the naked eye in 2029?

On April 13, 2029, Apophis will pass less than 20,000 miles (32,000 kilometers) from our planet's surface – closer than the distance of geosynchronous satellites. During that 2029 close approach, Apophis will be visible to observers on the ground in the Eastern Hemisphere without the aid of a telescope or binoculars.

Will Apophis Hit Earth in 100 years?

Apophis will not hit Earth "Apophis has been extensively tracked since its discovery by both optical and radar telescopes," Farnocchia said. "Thanks to these data collected by astronomers all over the world we can precisely predict the motion of Apophis through the April 2029 flyby."

Will Apophis Hit Earth eventually?

The Goldstone radar observed Apophis March 3–11, 2021, helping to refine the orbit again, and on March 25, 2021, the Jet Propulsion Laboratory announced that Apophis has no chance of impacting Earth in the next 100 years.

Is Apophis a threat?

For now, Apophis poses no immediate threat to Earth. But in 2029, for a brief moment, it will fire a warning shot as it breezes through our skies—followed closely by at least one inquisitive observer.

What asteroid killed the dinosaurs?

Chicxulub craterScientists already know that an asteroid—or perhaps a comet—struck Earth off Mexico's Yucatán Peninsula. The resulting 110 miles/80 kilometers wide Chicxulub crater is thought to have caused a decades-long “impact winter” that killed the dinosaurs.

What will change in 2050?

The world economy could more than double in size by 2050, far outstripping population growth, due to continued technology-driven productivity improvements. Emerging markets (E7) could grow around twice as fast as advanced economies (G7) on average.

How big is the 2027 asteroid?

On 7 August 2027, this asteroid will pass at about 0.00261 AU (390,000 km; 243,000 mi; 1.02 LD) of the Earth center. During the close approach, it should peak at about apparent magnitude 7.3, and will be visible in binoculars....(137108) 1999 AN. 10.Date & TimeApproach toNominal distance2027-Aug-07 07:11Earth389866 km1 more row

How much damage can Apophis cause?

Apophis would cause widespread destruction up to several hundred of kilometers from its impact site. The energy released would be equal more than 1,000 megatons of TNT, or tens to hundreds of nuclear weapons.

How do you stop Apophis?

Although we can't force Apophis to miss the Earth after 2029, we have the technology to nudge it slightly off course well before then, causing it to miss the keyhole in the first place. According to NASA, a simple 1-ton "kinetic energy impactor" spacecraft thumping into Apophis at 5000 mph would do the trick.

Where will the 2028 asteroid hit?

Montage of our solar system. Asteroid 1997 XF11 will pass well beyond the Moon's distance from Earth in October 2028 with a zero probability of impacting the planet, according to astronomers at NASA's Jet Propulsion Laboratory, Pasadena, CA.

What's the biggest asteroid to hit Earth?

The Vredefort impact event, which occurred around 2 billion years ago in Kaapvaal Craton (what is now South Africa), caused the largest verified crater, a multi-ringed structure 160–300 km (100–200 mi) across, forming from an impactor approximately 10–15 km (6.2–9.3 mi) in diameter.

How close will Apophis come to the Moon in 2029?

In 2029, Apophis should pass at a nominal distance of 19,662 miles (31,643 km) from the Earth's surface. That's in contrast to the moon's average distance of about 250,000 miles (380,000 km). And it's closer than many Earth-orbiting satellites.

How big is the 2027 asteroid?

On 7 August 2027, this asteroid will pass at about 0.00261 AU (390,000 km; 243,000 mi; 1.02 LD) of the Earth center. During the close approach, it should peak at about apparent magnitude 7.3, and will be visible in binoculars....(137108) 1999 AN. 10.Date & TimeApproach toNominal distance2027-Aug-07 07:11Earth389866 km1 more row

Where will the 2028 asteroid hit?

Montage of our solar system. Asteroid 1997 XF11 will pass well beyond the Moon's distance from Earth in October 2028 with a zero probability of impacting the planet, according to astronomers at NASA's Jet Propulsion Laboratory, Pasadena, CA.

Will Apophis asteroid hit Earth in 2036?

Technically, they're correct, there is a chance in 2036 [that Apophis will hit Earth]," said Donald Yeomans, head of NASA's Near-Earth Object Program Office. However, that chance is just 1-in-250,000, Yeomans said.

When will the Apophis come to Earth?

The most important observations of Apophis will come during its close Earth flyby in 2029. Scientists around the world will study the asteroid’s size, shape, composition and possibly even its interior.

When will Apophis be visible to the naked eye?

With radar observations, we might be able to see surface details that are only a few meters in size.”. During its 2029 flyby , Apophis will first become visible to the naked eye in the night sky over the southern hemisphere and will look like a speck of light moving from east to west over Australia.

How long does it take for an asteroid to orbit the Sun?

The orbit of Apophis crosses the orbit of Earth. It completes an orbit around the Sun in a bit less than one Earth year (about 0.9 years). This places it in the group of Earth-crossing asteroids known as "Atens," whose orbits are smaller in width than the width of Earth's orbit, or 1 AU. As a result of its close encounter with Earth in 2029, the asteroid's orbit will be widened to become slightly larger than the width of Earth's orbit. At this point it will be reclassified from the Aten group to the "Apollo" group (the group of Earth-crossing asteroids with orbits wider than 1 AU).

What is the asteroid Apophis made of?

Apophis is classified as an S-type, or stony-type asteroid, made up of silicate (or rocky) materials and a mixture of metallic nickel and iron. Radar images suggest it is elongated and possibly has two lobes, making it look something like a peanut. Much more will be learned about this asteroid's structure following its close flyby of Earth in 2029.

How close can an asteroid pass to Earth?

It’s rare for an asteroid of this size to pass so close to Earth, although smaller asteroids, in the range of 16 to 33 feet (5 to 10 meters), in size have been observed passing by at similar distances. “The Apophis close approach in 2029 will be an incredible opportunity for science,” said Marina Brozović, a radar scientist at NASA’s Jet Propulsion ...

Why is Apophis named Apophis?

Apophis is named for the demon serpent who personified evil and chaos in ancient Egyptian mythology.

How often does an asteroid wobble?

The asteroid “wobbles” as it spins about its short axis, typically rotating about once every 30 hours. Sometimes, there is also a “rocking” motion back and forth about its long axis, as well, which occurs over a longer period than the short axis wobble.

How far will Apophis pass in 2029?

This is where it is currently predicted to pass by in 2029 at a distance of 2.9 to 3.0154 Earth diameters , the red band shows the minimum and maximum distance for Apophis. The Earth is us and the whole thing is drawn to scale, geostationary orbit at far right of the purple square at 3.309 Earth diameters (from the center of Earth).’

When will Apophis miss Earth?

Now it looks like Apophis will miss Earth by about 20 million kilometers in 2036.

How many pixels are in Apophis?

Apophis itself is far too small to see at this scale. With the Earth being 2657 pixels (if you click to see the entire image) then Apophis would be 0.4*2657 /12472 = 0.085 pixels in diameter.

What is the probability of an Earth impact in 2060?

Techy detail: The total impact probability for all encounters from 2060 to 2105 is 8.9e-6. See Sentry: Earth Impact Monitoring.

What is the chance of a near miss in 2029?

The current estimates are that the chance for a hit in 2029 and 2036 are very near to 0. A near miss will, due to earth’s gravi. Continue Reading. Because we do not know whether it will hit, probability seems rather small, or not indicates that we do not know the exact orbit, the exact impact time.

When will Apophis pass?

This means that, while we know it will pass quite close to the Earth on April 13, 2029, we cannot say exactly how close it will pass or exactly what time it will pass.

How much solar sail material would be enough to change a hit to a miss?

In a study written before the 2036 impact was proved impossible, they found that adding 250 kg of solar sail material to its surface to absorb sunlight differently would be enough to change a hit to a miss.

How far will 99942 Apophis pass?

Indeed, the space rock is expected to pass by at a distance of around 20,000 to 25,000 miles, or approximately one-tenth the distance between the Earth and the moon. To say that this is too close for comfort is an understatement.

How big is Apophis?

The object is estimated to be about 885 feet across (a hair smaller than the Eiffel Tower) and has a mass of 2.1 x 10 to the tenth power kg, according to Universe Today. If those figures are meaningless to you, here’s a real-world example of what it all means: The asteroid that created Arizona’s Meteor Crater (seen above) is believed to have exploded with the force between three and 10 megatons of energy. Should Apophis strike, it would likely deliver the equivalent of 880 megatons of energy. By comparison, the atomic bomb dropped on Hiroshima only released about 0.15 megatons of energy, according to Britannica.

What would happen if a giant rock hit the ocean?

Now imagine a giant rock (Apophis) hitting a giant lake (the ocean). It, too, is going to send out rippling waves in all directions, according to Universe Today. And those ripples are going to become devastating tsunamis, likely on multiple continents. Considering that a significant percentage of the human population lives in coastal cities, the death toll could be unimaginable. Strictly by way of example, scientist Neil deGrasse Tyson warned that a tsunami or series of tsunamis sparked by Apophis landing in the Pacific Ocean could wipe out the West Coast of the North America. "So what happens is, all the artificial stuff, all the houses, factories, they get churned into the ablative force that sandblasts the entire west coast of North America clean," Tyson said, per Express.

What happens when an asteroid hits Earth?

While most space rocks that reach the Earth’s atmosphere burn up during entry due to friction, when an asteroid actually strikes the Earth, a variety of factors come into play that determines how much damage, if any, they do. Those factors include, but are not limited to, the size of the object, its mass, and the angle at which it enters the atmosphere.

How much land will an asteroid flatten?

According to Universe Today, wherever the asteroid hits (assuming it hits land), it’s going to flatten thousands of square miles of land. If it hits a major city, like London, it’s going to level the area, killing millions of people in the process.

What are the consequences of an asteroid hitting Earth?

In some cases, asteroid impacts have kicked up so much dust and debris into the atmosphere that they cause climate change. Perhaps the most famous example of this is the so-called K-T asteroid impact which, according to the Planetary Science Institute, caused such drastic climate change that it led to the extinction of most of the dinosaurs, some 60 million years ago.

How to interfere with an asteroid's path?

One involves putting up a barrier between the rock and the planet, with the hope of slowing the invader down just enough that the planet escapes danger. However, doing so would require multiple precise space missions in the span of a few months.

When will Apophis come to Earth?

Additional observations have shown it will not hit Earth in 2029 or in 2036. Nevertheless, in 2029 Apophis will come closer to Earth than our geostationary communications satellites, likely sparking a great deal of public interest. The Planetary Society has submitted recommendations to the U.S.

How much energy would be released from Apophis?

The energy released would be equal more than 1,000 megatons of TNT, or tens to hundreds of nuclear weapons.

What is the name of the asteroid that is near Earth?

What is Apophis? Apophis is a near-Earth asteroid, meaning its orbit around the Sun brings it within 1.3 times the distance between the Sun and Earth. Its full name is Apophis 99942. After Apophis was discovered in 2004, the asteroid was given a 2.7% chance of hitting Earth in 2029, causing a great deal of media attention.

How is apophis pronounced?

Apophis is pronounced uh-pah-fis, generally with an emphasis on the second syllable. Click here to listen to a recording.

When will Apophis pass?

On 13 April 2029 Apophis will pass as close as 30,600 kilometers (19,000 miles) above the Earth. If you’re superstitious, that's on a Friday the 13th.

How big is Apophis?

Like most asteroids, Apophis is too small for us to figure out its exact shape and size from Earth. Radar images have shown it measures 450 meters (1500 feet) across its longest axis, equivalent to about 5 football fields and taller than the Empire State Building in New York City. It is approximately 170 meters on its shortest axis. It is likely egg-shaped or even dual-lobed like Arrokoth, the small world NASA’s New Horizons spacecraft flew past in 2019.

Where is Apophis in New York City?

Apophis in New York City Asteroid Apophis would fit neatly inside The Battery, a park at the tip of Manhattan in New York City. This image shows an artist's concept of Apophis in the park to illustrate its size in comparison to the rest of the New York City skyline. The image is free for media and educational use with attribution.

What if Apophis hits Earth?

Predicting what an impact between our planet and an asteroid the size, shape and density of Apophis would look like is not an easy task. There certainly isn't anything like it in the geological record of our planet — other impacts have either been much larger, such as the Chicxulub that struck Earth 66 million years ago — or much smaller. Additionally, there are many factors that have to be considered when estimating the damage that could arise from such a collision. These factors include asteroid size, density and mass, as well as the angle and velocity at which the asteroid strikes.

What is the chance of a PHA hitting Earth in 2029?

From visual observations taken in 2004, researchers calculated there was around a 2.7% chance that the PHA would hit Earth in 2029. These probabilities were refined with radar observations the following year. These estimates may seem low but were still extreme enough to give Apophis the highest values on two systems used by astronomers to calculate how dangerous an asteroid is to our planet, the Torino scale (created by Binzel)   and the Palermo Technical Impact Hazard Scale.

What will Farnocchia observe in 2029?

"Among other things, the rotation state of Apophis could change," as a result of its close proximity, Farnocchia said. Observations of Apophis in 2029 should also help scientists better ascertain its size, shape, composition and even model its interior for the first time.

What are the factors that determine the impact of an asteroid?

Additionally, there are many factors that have to be considered when estimating the damage that could arise from such a collision. These factors include asteroid size, density and mass, as well as the angle and velocity at which the asteroid strikes.

How long does it take for Apophis to orbit the Sun?

The team was able to calculate that the orbital period of Apophis, or the time it takes to orbit the sun, will be stretched from 0.9 years to 1.2 years as a result of its 2029 encounter with Earth.

How fast do asteroid impacts travel?

First, the 2.7% probability calculated in 2004 was originally based on visual observations, not radar astronomy data. And second, the average speed of asteroid impacts to Earth is 45,000 mph, not 45 mph.

What is the shape of Apophis?

Its shape is believed to be elongated and comprising of two lobes —  almost like a rocky space peanut.

What would happen if Earth was hit by Apophis?

The video was made based on predictions that the massive space rock would collide with the planet in 2036. A YouTube user named Igor Kryan recently uploaded a video showing a simulated impact event caused by Apophis.

When will the Apophis asteroid hit Earth?

Apophis previously sparked fears after it was revealed that the asteroid might hit Earth in either 2029 or 2036. In both these years, the asteroid was predicted to collide with the planet on April 13. The speculations regarding the asteroid’s potential impact were based on scientific theories about gravitational forces in space.

How wide is the asteroid that hit the ocean?

A YouTube user named Igor Kryan recently uploaded a video showing a simulated impact event caused by Apophis. The clip starts with the 1,210-feet-wide asteroid zipping across space before breaching Earth’s atmosphere and hitting the ocean.

How many asteroid impacts have hit Earth since 2000?

A new report indicates that a total of 26 nuclear-level asteroid impacts have hit Earth since 2000. Photo: Donald Davis

Is an asteroid likely to hit Earth?

After conducting observations on the asteroid, the space agencies’ scientists said that the asteroid’s chances of hitting Earth were only one in a million.

Is Apophis a big asteroid?

Although Apophis is already considered as a large asteroid, it isn’ t as massive as the one that killed off the dinosaurs millions of years ago. This means Apophis is not big enough to destroy the entire planet. However, it can still destroy a major city or several towns depending on where it lands. YouTube. Igor Kryan.

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in Depth

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Asteroid 99942 Apophis is a near-Earth asteroid more than 1000 feet (over 300 meters) in size that will harmlessly pass close to Earth on April 13, 2029. When it was discovered in 2004, the asteroid caused a stir because initial calculations indicated a small possibility it would impact Earth in 2029. After searching throug…
See more on solarsystem.nasa.gov

Exploration

  • Apophis was discovered on June 19, 2004, by astronomers Roy Tucker, David Tholen and Fabrizio Bernardi at the Kitt Peak National Observatory in Tucson, Arizona. They were only able to observe the asteroid for two days because of technical and weather problems. Fortunately, a team at the Siding Spring Observatory in Australia spotted the asteroid again later in the same year. Since it…
See more on solarsystem.nasa.gov

Size and Distance

  • Apophis is a 1,120-foot-wide (340-meter-wide) asteroid. That’s about the size of three-and-a-half football fields. At its farthest, Apophis can reach a distance of about 2 astronomical units (One astronomical unit, abbreviated as AU, is the distance from the Sun to Earth.) away from Earth. It’s expected to safely pass close to Earth — within 19,794 miles (31,860 kilometers) from our planet…
See more on solarsystem.nasa.gov

Orbit and Rotation

  • The orbit of Apophis crosses the orbit of Earth. It completes an orbit around the Sun in a bit less than one Earth year (about 0.9 years). This places it in the group of Earth-crossing asteroids known as "Atens," whose orbits are smaller in width than the width of Earth's orbit, or 1 AU. As a result of its close encounter with Earth in 2029, the asteroid's orbit will be widened to become sli…
See more on solarsystem.nasa.gov

Structure

  • Apophis is classified as an S-type, or stony-type asteroid, made up of silicate (or rocky) materials and a mixture of metallic nickel and iron. Radar images suggest it is elongated and possibly has two lobes, making it look something like a peanut. Much more will be learned about this asteroid's structure following its close flyby of Earth in 2029.
See more on solarsystem.nasa.gov

Formation

  • Like all asteroids, Apophis is a remnant from the early formation of our solar system about 4.6 billion years ago. It originated in the main asteroid belt between Mars and Jupiter. Over millions of years, its orbit was changed primarily by the gravitational influence of large planets like Jupiter so that it now orbits the Sun closer to Earth. As a result, Apophis is classified as a near-Earth astero…
See more on solarsystem.nasa.gov

Surface

  • There are no high-resolution images of the surface of asteroid Apophis, but it is likely similar to surfaces of other stony-type asteroids like Itokawa, the first asteroid from which samples were captured and brought to Earth for analysis.
See more on solarsystem.nasa.gov

1.Here's What Would Happen If Apophis Hit Earth

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Url:https://solarsystem.nasa.gov/asteroids-comets-and-meteors/asteroids/apophis/in-depth/

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4.What if Apophis Hits Earth in 2029? - YouTube

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7.Asteroid Apophis: Will It Hit Earth? Your… | The Planetary …

Url:https://www.planetary.org/articles/will-apophis-hit-earth

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